Windows socket is a harmless solar energy powered direct power source designed by designers Boa Oh & Kyuho Song. This plug socket has no wire or any other gadgets attached, 'windows socket itself converts the solar power into direct power in an eco-friendly way and delivers it as a direct power. So, there is no wire needed, no fixed location required simply place it on any window and enjoy the power. Idea seems to be great for outdoor use as it is a portable device that can be place anywhere facing the sunlight. This will be useful to charge mobile phones when you're outside. simple, neat and clean idea.